- 21 nouveaux tests couvrant create, findOneOrThrow, remove,
findVersionsOf, setCurrent et regenerate (pattern vi.fn() sans NestJS TestingModule)
- apis.service.ts : ConflictException sur doublon de version (name+convention+version)
- upload.component.ts : verrouillage convention/name/type lors d'une nouvelle
version, bannière d'info, alerte et blocage si version déjà existante
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via [Happy](https://happy.engineering)
Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>